//-----------------------------------------------------------------------------
// Name: ValidateWaveFile()
// Desc: Open the wave file with the helper
// class CWaveFile to make sure it is valid
//-----------------------------------------------------------------------------
VOID ValidateWaveFile( HWND hDlg, TCHAR* strFileName )
{
HRESULT hr;
CWaveFile waveFile;
// Verify the file is small
HANDLE hFile = CreateFile( strFileName, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL );
if( hFile != NULL )
{
// If you try to open a 100MB wav file, you could run out of system memory with this
// sample cause it puts all of it into a large buffer. If you need to do this, then
// see the "StreamData" sample to stream the data from the file into a sound buffer.
DWORD dwFileSizeHigh = 0;
DWORD dwFileSize = GetFileSize( hFile, &dwFileSizeHigh );
CloseHandle( hFile );
if( dwFileSizeHigh != 0 || dwFileSize > 1000000 )
{
waveFile.Close();
SetDlgItemText( hDlg, IDC_STATUS, TEXT("File too large. You should stream large files.") );
return;
}
}
// Load the wave file
if( FAILED( hr = waveFile.Open( strFileName, NULL, WAVEFILE_READ ) ) )
{
DXTRACE_ERR_MSGBOX( TEXT("Open"), hr );
waveFile.Close();
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Bad wave file.") );
}
else // The load call succeeded
{
// Update the UI controls to show the sound as the file is loaded
waveFile.Close();
EnablePlayUI( hDlg, TRUE );
SetDlgItemText( hDlg, IDC_FILENAME, strFileName );
SetDlgItemText( hDlg, IDC_STATUS, TEXT("File loaded.") );
strcpy( m_strWaveFileName, strFileName );
// Get the samples per sec from the wave file
DWORD dwSamplesPerSec = waveFile.m_pwfx->nSamplesPerSec;
// Set the slider positions
SetSlidersPos( hDlg, dwSamplesPerSec, 0, 0 );
}
}
//-----------------------------------------------------------------------------
// Name: OnOpenSoundFile()
// Desc: Called when the user requests to open a sound file
//-----------------------------------------------------------------------------
VOID OnOpenSoundFile( HWND hDlg )
{
GUID guid3DAlgorithm = GUID_NULL;
int nResult;
HRESULT hr;
static TCHAR strFileName[MAX_PATH] = TEXT("");
static TCHAR strPath[MAX_PATH] = TEXT("");
// Setup the OPENFILENAME structure
OPENFILENAME ofn = { sizeof(OPENFILENAME), hDlg, NULL,
TEXT("Wave Files\0*.wav\0All Files\0*.*\0\0"), NULL,
0, 1, strFileName, MAX_PATH, NULL, 0, strPath,
TEXT("Open Sound File"),
OFN_FILEMUSTEXIST|OFN_HIDEREADONLY, 0, 0,
TEXT(".wav"), 0, NULL, NULL };
// Get the default media path (something like C:\WINDOWS\MEDIA)
if( '\0' == strPath[0] )
{
GetWindowsDirectory( strPath, MAX_PATH );
if( strcmp( &strPath[strlen(strPath)], TEXT("\\") ) )
strcat( strPath, TEXT("\\") );
strcat( strPath, TEXT("MEDIA") );
}
if( g_pSound )
{
g_pSound->Stop();
g_pSound->Reset();
}
// Update the UI controls to show the sound as loading a file
EnableWindow( GetDlgItem( hDlg, IDC_PLAY ), FALSE);
EnableWindow( GetDlgItem( hDlg, IDC_STOP ), FALSE);
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Loading file...") );
// Stop the timer while dialogs are displayed
g_bAllowMovementTimer = FALSE;
// Display the OpenFileName dialog. Then, try to load the specified file
if( TRUE != GetOpenFileName( &ofn ) )
{
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Load aborted.") );
g_bAllowMovementTimer = TRUE;
return;
}
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
// Free any previous sound, and make a new one
SAFE_DELETE( g_pSound );
CWaveFile waveFile;
waveFile.Open( strFileName, NULL, WAVEFILE_READ );
WAVEFORMATEX* pwfx = waveFile.GetFormat();
if( pwfx == NULL )
{
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Invalid wave file format.") );
return;
}
if( pwfx->nChannels > 1 )
{
// Too many channels in wave. Sound must be mono when using DSBCAPS_CTRL3D
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Wave file must be mono for 3D control.") );
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
return;
}
if( pwfx->wFormatTag != WAVE_FORMAT_PCM )
{
// Sound must be PCM when using DSBCAPS_CTRL3D
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Wave file must be PCM for 3D control.") );
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
return;
}
// Get the software DirectSound3D emulation algorithm to use
// Ask the user for this sample, so display the algorithm dialog box.
nResult = (int)DialogBox( NULL, MAKEINTRESOURCE(IDD_3D_ALGORITHM),
NULL, AlgorithmDlgProc );
switch( nResult )
{
case -1: // User canceled dialog box
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Load aborted.") );
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
return;
case 0: // User selected DS3DALG_NO_VIRTUALIZATION
guid3DAlgorithm = DS3DALG_NO_VIRTUALIZATION;
break;
case 1: // User selected DS3DALG_HRTF_FULL
guid3DAlgorithm = DS3DALG_HRTF_FULL;
break;
case 2: // User selected DS3DALG_HRTF_LIGHT
guid3DAlgorithm = DS3DALG_HRTF_LIGHT;
break;
}
// Load the wave file into a DirectSound buffer
hr = g_pSoundManager->Create( &g_pSound, strFileName, DSBCAPS_CTRL3D, guid3DAlgorithm );
if( FAILED( hr ) || hr == DS_NO_VIRTUALIZATION )
{
DXTRACE_ERR_NOMSGBOX( TEXT("Create"), hr );
if( DS_NO_VIRTUALIZATION == hr )
{
MessageBox( hDlg, "The 3D virtualization algorithm requested is not supported under this "
"operating system. It is available only on Windows 2000, Windows ME, and Windows 98 with WDM "
"drivers and beyond. Creating buffer with no virtualization.",
"DirectSound Sample", MB_OK );
}
// Unknown error, but not a critical failure, so just update the status
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("Could not create sound buffer.") );
return;
}
// Get the 3D buffer from the secondary buffer
if( FAILED( hr = g_pSound->Get3DBufferInterface( 0, &g_pDS3DBuffer ) ) )
{
DXTRACE_ERR( TEXT("Get3DBufferInterface"), hr );
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Could not get 3D buffer.") );
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
return;
}
// Get the 3D buffer parameters
g_dsBufferParams.dwSize = sizeof(DS3DBUFFER);
g_pDS3DBuffer->GetAllParameters( &g_dsBufferParams );
// Set new 3D buffer parameters
g_dsBufferParams.dwMode = DS3DMODE_HEADRELATIVE;
g_pDS3DBuffer->SetAllParameters( &g_dsBufferParams, DS3D_IMMEDIATE );
DSBCAPS dsbcaps;
ZeroMemory( &dsbcaps, sizeof(DSBCAPS) );
dsbcaps.dwSize = sizeof(DSBCAPS);
LPDIRECTSOUNDBUFFER pDSB = g_pSound->GetBuffer( 0 );
pDSB->GetCaps( &dsbcaps );
if( ( dsbcaps.dwFlags & DSBCAPS_LOCHARDWARE ) != 0 )
SetDlgItemText( hDlg, IDC_STATUS, TEXT("File loaded using hardware mixing.") );
else
SetDlgItemText( hDlg, IDC_STATUS, TEXT("File loaded using software mixing.") );
// Update the UI controls to show the sound as the file is loaded
SetDlgItemText( hDlg, IDC_FILENAME, strFileName );
EnablePlayUI( hDlg, TRUE );
g_bAllowMovementTimer = TRUE;
// Remember the path for next time
strcpy( strPath, strFileName );
char* strLastSlash = strrchr( strPath, '\\' );
strLastSlash[0] = '\0';
// Set the slider positions
SetSlidersPos( hDlg, 0.0f, 0.0f, ORBIT_MAX_RADIUS, ORBIT_MAX_RADIUS*2.0f );
OnSliderChanged( hDlg );
}
//-----------------------------------------------------------------------------
// Name: OnInitDialog()
// Desc: Initializes the dialogs (sets up UI controls, etc.)
//-----------------------------------------------------------------------------
VOID OnInitDialog( HWND hDlg )
{
HRESULT hr;
// Load the icon
#ifdef _WIN64
HINSTANCE hInst = (HINSTANCE) GetWindowLongPtr( hDlg, GWLP_HINSTANCE );
#else
HINSTANCE hInst = (HINSTANCE) GetWindowLong( hDlg, GWL_HINSTANCE );
#endif
HICON hIcon = LoadIcon( hInst, MAKEINTRESOURCE( IDR_MAINFRAME ) );
// Create a static IDirectSound in the CSound class.
// Set coop level to DSSCL_PRIORITY, and set primary buffer
// format to stereo, 22kHz and 16-bit output.
g_pSoundManager = new CSoundManager();
hr = g_pSoundManager->Initialize( hDlg, DSSCL_PRIORITY, 2, 22050, 16 );
// Get the 3D listener, so we can control its params
hr |= g_pSoundManager->Get3DListenerInterface( &g_pDSListener );
if( FAILED(hr) )
{
DXTRACE_ERR( TEXT("Get3DListenerInterface"), hr );
MessageBox( hDlg, "Error initializing DirectSound. Sample will now exit.",
"DirectSound Sample", MB_OK | MB_ICONERROR );
EndDialog( hDlg, IDABORT );
return;
}
// Get listener parameters
g_dsListenerParams.dwSize = sizeof(DS3DLISTENER);
g_pDSListener->GetAllParameters( &g_dsListenerParams );
// Set the icon for this dialog.
PostMessage( hDlg, WM_SETICON, ICON_BIG, (LPARAM) hIcon ); // Set big icon
PostMessage( hDlg, WM_SETICON, ICON_SMALL, (LPARAM) hIcon ); // Set small icon
// Create a timer to periodically move the 3D object around
SetTimer( hDlg, IDT_MOVEMENT_TIMER, 0, NULL );
// Set the UI controls
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
SetDlgItemText( hDlg, IDC_STATUS, TEXT("No file loaded.") );
// Get handles to dialog items
HWND hDopplerSlider = GetDlgItem( hDlg, IDC_DOPPLER_SLIDER );
HWND hRolloffSlider = GetDlgItem( hDlg, IDC_ROLLOFF_SLIDER );
HWND hMinDistSlider = GetDlgItem( hDlg, IDC_MINDISTANCE_SLIDER );
HWND hMaxDistSlider = GetDlgItem( hDlg, IDC_MAXDISTANCE_SLIDER );
HWND hVertSlider = GetDlgItem( hDlg, IDC_VERTICAL_SLIDER );
HWND hHorzSlider = GetDlgItem( hDlg, IDC_HORIZONTAL_SLIDER );
// Set the range and position of the sliders
PostMessage( hDopplerSlider, TBM_SETRANGEMAX, TRUE, 40L );
PostMessage( hDopplerSlider, TBM_SETRANGEMIN, TRUE, 0L );
PostMessage( hRolloffSlider, TBM_SETRANGEMAX, TRUE, 40L );
PostMessage( hRolloffSlider, TBM_SETRANGEMIN, TRUE, 0L );
PostMessage( hMinDistSlider, TBM_SETRANGEMAX, TRUE, 40L );
PostMessage( hMinDistSlider, TBM_SETRANGEMIN, TRUE, 1L );
PostMessage( hMaxDistSlider, TBM_SETRANGEMAX, TRUE, 40L );
PostMessage( hMaxDistSlider, TBM_SETRANGEMIN, TRUE, 1L );
PostMessage( hVertSlider, TBM_SETRANGEMAX, TRUE, 100L );
PostMessage( hVertSlider, TBM_SETRANGEMIN, TRUE, -100L );
PostMessage( hVertSlider, TBM_SETPOS, TRUE, 100L );
PostMessage( hHorzSlider, TBM_SETRANGEMAX, TRUE, 100L );
PostMessage( hHorzSlider, TBM_SETRANGEMIN, TRUE, -100L );
PostMessage( hHorzSlider, TBM_SETPOS, TRUE, 100L );
// Set the position of the sliders
SetSlidersPos( hDlg, 0.0f, 0.0f, ORBIT_MAX_RADIUS, ORBIT_MAX_RADIUS*2.0f );
}
//-----------------------------------------------------------------------------
// Name: OnInitDialog()
// Desc: Initializes the dialogs (sets up UI controls, etc.)
//-----------------------------------------------------------------------------
VOID OnInitDialog( HWND hDlg )
{
HRESULT hr;
// Load the icon
#ifdef _WIN64
HINSTANCE hInst = (HINSTANCE) GetWindowLongPtr( hDlg, GWLP_HINSTANCE );
#else
HINSTANCE hInst = (HINSTANCE) GetWindowLong( hDlg, GWL_HINSTANCE );
#endif
HICON hIcon = LoadIcon( hInst, MAKEINTRESOURCE( IDR_MAINFRAME ) );
// Create a static IDirectSound in the CSound class.
// Set coop level to DSSCL_PRIORITY, and set primary buffer
// format to stereo, 22kHz and 16-bit output.
g_pSoundManager = new CSoundManager();
if( NULL == g_pSoundManager )
{
DXTRACE_ERR_MSGBOX( TEXT("Initialize"), E_OUTOFMEMORY );
EndDialog( hDlg, IDABORT );
return;
}
if( FAILED( hr = g_pSoundManager->Initialize( hDlg, DSSCL_PRIORITY ) ) )
{
DXTRACE_ERR_MSGBOX( TEXT("Initialize"), hr );
MessageBox( hDlg, "Error initializing DirectSound. Sample will now exit.",
"DirectSound Sample", MB_OK | MB_ICONERROR );
EndDialog( hDlg, IDABORT );
return;
}
if( FAILED( hr = g_pSoundManager->SetPrimaryBufferFormat( 2, 22050, 16 ) ) )
{
DXTRACE_ERR_MSGBOX( TEXT("SetPrimaryBufferFormat"), hr );
MessageBox( hDlg, "Error initializing DirectSound. Sample will now exit.",
"DirectSound Sample", MB_OK | MB_ICONERROR );
EndDialog( hDlg, IDABORT );
return;
}
// Set the icon for this dialog.
PostMessage( hDlg, WM_SETICON, ICON_BIG, (LPARAM) hIcon ); // Set big icon
PostMessage( hDlg, WM_SETICON, ICON_SMALL, (LPARAM) hIcon ); // Set small icon
// Create a timer, so we can check for when the soundbuffer is stopped
SetTimer( hDlg, 0, 250, NULL );
// Get handles to dialog items
HWND hFreqSlider = GetDlgItem( hDlg, IDC_FREQUENCY_SLIDER );
HWND hPanSlider = GetDlgItem( hDlg, IDC_PAN_SLIDER );
HWND hVolumeSlider = GetDlgItem( hDlg, IDC_VOLUME_SLIDER );
// Set the focus to normal by default
CheckRadioButton( hDlg, IDC_FOCUS_NORMAL, IDC_FOCUS_NORMAL, IDC_FOCUS_NORMAL );
// Set the buffer mixing to default
CheckRadioButton( hDlg, IDC_MIX_DEFAULT, IDC_MIX_SOFTWARE, IDC_MIX_DEFAULT );
// Set the range and position of the freq slider from
// DSBFREQUENCY_MIN and DSBFREQUENCY_MAX are DirectSound constants
PostMessage( hFreqSlider, TBM_SETRANGEMAX, TRUE, DSBFREQUENCY_MAX );
PostMessage( hFreqSlider, TBM_SETRANGEMIN, TRUE, DSBFREQUENCY_MIN );
// Set the range and position of the pan slider from
PostMessage( hPanSlider, TBM_SETRANGEMAX, TRUE, ( 10000L/500L) );
PostMessage( hPanSlider, TBM_SETRANGEMIN, TRUE, (-10000L/500L) );
// Set the range and position of the volume slider
PostMessage( hVolumeSlider, TBM_SETRANGEMAX, TRUE, 0L );
PostMessage( hVolumeSlider, TBM_SETRANGEMIN, TRUE, (-5000L/100L) );
// Set the position of the sliders
SetSlidersPos( hDlg, DSBFREQUENCY_MIN, 0, 0 );
// Set the UI controls
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
SetDlgItemText( hDlg, IDC_STATUS, TEXT("No file loaded.") );
UpdateBehaviorText( hDlg );
}
